This is the 16294th most frequent Polish word.
usługami
"Services."
In this sentence, 'usługami' is used as a noun in its instrumental case, indicating the means or medium through which the company operates.
Firma zajmuje się świadczeniem usługami w branży IT.
The company specializes in providing services in the IT sector.
Here, 'usługami' is again in the instrumental case, signifying the subject of satisfaction or evaluation.
Jestem zadowolony z jakości usługami świadczonych przez tę firmę.
I am satisfied with the quality of services provided by this company.
In this instance, 'usługami' is used instrumentally to describe the characteristic appreciated by the clients.